credence clearwater space data systems

We're On the Same Wavelength

We've captured this noisy IQ data from a satellite and need to decode it. Figure out how to filter the noise while maintaining the signal characteristics, then demodulate and decode the signal to get the flag. The satellite is transmitting using asynchronous markers in CCSDS space packets and an unknown modulation.

Solution Statistics

observations 196
solves 21
points 155
average solve seconds 21400 seconds, or about 6 hours
stddev solve time 14893 seconds, or about 4 hours

Solutions Over Time

by time solve count solve percent
2021-06-27 08:00:00 UTC 3 14%
2021-06-27 09:00:00 UTC 5 23%
2021-06-27 10:00:00 UTC 5 23%
2021-06-27 11:00:00 UTC 5 23%
2021-06-27 12:00:00 UTC 7 33%
2021-06-27 13:00:00 UTC 8 38%
2021-06-27 14:00:00 UTC 10 47%
2021-06-27 15:00:00 UTC 13 61%
2021-06-27 16:00:00 UTC 15 71%
2021-06-27 17:00:00 UTC 16 76%
2021-06-27 18:00:00 UTC 17 80%
2021-06-27 19:00:00 UTC 17 80%
2021-06-27 20:00:00 UTC 21 100%

solving teams:

solved by 21 teams

team solved at it took
OneSmallHackForMan 2021-06-27 07:02:29 UTC 1006 seconds, or 0.28 hours
PPP 2021-06-27 07:18:11 UTC 2334 seconds, or 0.65 hours
1064CBread 2021-06-27 07:20:35 UTC 2381 seconds, or 0.66 hours
DiceGang 2021-06-27 08:22:17 UTC 6129 seconds, or 1.7 hours
BLÅHAJ 2021-06-27 08:40:43 UTC 6797 seconds, or 1.89 hours
Poland Can Into Space 2021-06-27 11:03:22 UTC 15113 seconds, or 4.2 hours
FluxRepeatRocket 2021-06-27 11:03:38 UTC 14544 seconds, or 4.04 hours
WeltALLES! 2021-06-27 12:20:48 UTC 13876 seconds, or 3.85 hours
perfect blue 2021-06-27 13:00:30 UTC 22291 seconds, or 6.19 hours
mhackeroni 2021-06-27 13:38:45 UTC 22928 seconds, or 6.37 hours
ADDVulcan 2021-06-27 14:18:51 UTC 27450 seconds, or 7.63 hours
Samurai 2021-06-27 14:26:39 UTC 26804 seconds, or 7.45 hours
SingleEventUpset 2021-06-27 14:50:52 UTC 13879 seconds, or 3.86 hours
SODIUM-24 2021-06-27 15:24:40 UTC 4717 seconds, or 1.31 hours
Solar Wine 2021-06-27 15:31:00 UTC 31572 seconds, or 8.77 hours
BandOfBinaries 2021-06-27 16:05:48 UTC 33703 seconds, or 9.36 hours
STRship Troopers 2021-06-27 17:53:08 UTC 39586 seconds, or 11.0 hours
LEO Enforcement Officers 2021-06-27 19:08:43 UTC 29899 seconds, or 8.31 hours
SpaceBlender 2021-06-27 19:15:13 UTC 44722 seconds, or 12.42 hours
Buckeye Bureau of BOF 2021-06-27 19:24:29 UTC 45721 seconds, or 12.7 hours
📡🐺🔥🔥🔥 2021-06-27 19:35:19 UTC 43944 seconds, or 12.21 hours